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Huawei H20-681-ENU Exam Syllabus Topics:

Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

Question 1

Huawei SUN2000L household inverter Wifi initial password is ().

A. 000001
B. 00000a
C. Changeme
D. Changeme123

Question 2

When the debugging of the Huawei PLC communication network is started, which of the operation description of setting the anti-crosstalk is correct? (Multiple Choice)

A. Log in to the SmartLogger WEBUI interface to enable the PLC CCO module operating parameters anti-crosstalk.
B. Need to collect the ESN number of each square inverter through the SUN2000 APP and generate a .csv file.
C. Log in the SmartLogger WEBUI interface and import the produced .csv file into the PLC CCO module.
D. Log in to the SmartLogger WEBUI interface to check whether the PLC networking is normal. After the normal operation, start the inverter automatic search.

Question 3

Things to be aware of when the device uses RS485 communication networking (). (Multiple Choice)

A. Communication cables should avoid interference sources during wiring
B. The distance of the line should not exceed 1000 meters
C. It is recommended to use outdoor shielded twisted pair cable for communication cable.
D. When wiring, separate the communication line from the power line

Question 4

The incoming and outgoing line mode of Huawei's intelligent sub-array controller SmartACU2000B adopts up-out and down-in.

A. True
B. False

Question 5

During the upgrade of the SUN2000 inverter software, disconnecting the DC input switch of the inverter may cause the inverter to fail to upgrade. When the inverter DC switch is closed again, the "software version mismatch" alarm may occur and the grid cannot be generated. Need to be re-upgraded to resolve.

A. True
B. False

Solutions: